Climatological Report (Monthly)
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000
CXCA52 TJSJ 021850
CLMIST

CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN JUAN PR
250 PM AST MON OCT 02 2023

...................................

...THE CYRIL E. KING AP/ST THOMAS CLIMATE SUMMARY FOR THE MONTH OF SEPTEMBER 2023...

CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1953 TO 2023

WEATHER         OBSERVED          NORMAL  DEPART   LAST YEAR`S
                VALUE   DATE(S)   VALUE   FROM     VALUE
                                          NORMAL
..............................................................
TEMPERATURE (F)
RECORD
 HIGH             98   09/28/1993
                       09/05/1993
                       09/01/1993
 LOW              64   09/17/1972
HIGHEST           93   09/09         92       1       92
                       09/10
                       09/28
LOWEST            79   09/11         80      -1       75
                       09/18
                       09/19
AVG. MAXIMUM    90.4               89.2     1.2     88.3
AVG. MINIMUM    81.7               79.5     2.2     79.3
MEAN            86.0               84.4     1.6     83.8
DAYS MAX >= 90    22               12.2     9.8        7
DAYS MAX <= 32     0                0.0     0.0        0
DAYS MIN <= 32     0                0.0     0.0        0
DAYS MIN <= 0      0                0.0     0.0        0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM       14.94   1953
 MINIMUM        0.92   2012
TOTALS          2.31               5.89   -3.58     7.71
DAILY AVG.      0.08               0.20   -0.12     0.25
DAYS >= .01       15               15.2    -0.2       10
DAYS >= .10        6                8.5    -2.5        6
DAYS >= .50        2                2.5    -0.5        2
DAYS >= 1.00       0                1.0    -1.0        0
GREATEST
 24 HR. TOTAL   1.07   09/18 TO 09/19
 STORM TOTAL    0.56


DEGREE DAYS
HEATING TOTAL      0                  0       0        0
 SINCE 7/1         0
COOLING TOTAL    638                580      58      572
 SINCE 1/1      4799

FREEZE DATES
..............................................................

WIND (MPH)
AVERAGE WIND SPEED              9.7
HIGHEST WIND SPEED/DIRECTION    MM        DATE   MM
HIGHEST GUST SPEED/DIRECTION    31/MM     DATE  09/11

SKY COVER
AVERAGE SKY COVER           0.20

AVERAGE RH (PERCENT)     79

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              5     MIXED PRECIP              MM
HEAVY RAIN                2     RAIN                       9
LIGHT RAIN               10     FREEZING RAIN             MM
LT FREEZING RAIN         MM     HAIL                      MM
HEAVY SNOW               MM     SNOW                      MM
LIGHT SNOW               MM     SLEET                     MM
FOG                      11     FOG W/VIS <= 1/4 MILE     MM
HAZE                      1

-  INDICATES NEGATIVE NUMBERS.
R  INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T  INDICATES TRACE AMOUNT.

$$


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